<?php
function comfunc(callable $func,$num1,$num2){
    $func($num1,$num2);
}

function add($n1,$n2){
    
    echo $n1+$n2;
    
}
function mutil($n1,$n2){
    
    echo $n1*$n2;
    
}
comfunc('add',11,22);
comfunc('mutil',11,22);
comfunc('var_dump',11,22);
